135623605612253 has 8 divisors (see below), whose sum is σ = 148138661734560. Its totient is φ = 123139489061680.

The previous prime is 135623605612249. The next prime is 135623605612283. The reversal of 135623605612253 is 352216506326531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135623605612253 - 2² = 135623605612249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135623605612213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7734883763 + ... + 7734901296.

It is an arithmetic number, because the mean of its divisors is an integer number (18517332716820).

Almost surely, 2^{135623605612253} is an apocalyptic number.

It is an amenable number.

135623605612253 is a deficient number, since it is larger than the sum of its proper divisors (12515056122307).

135623605612253 is a wasteful number, since it uses less digits than its factorization.

135623605612253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15469785867.

The product of its (nonzero) digits is 5832000, while the sum is 50.

The spelling of 135623605612253 in words is "one hundred thirty-five trillion, six hundred twenty-three billion, six hundred five million, six hundred twelve thousand, two hundred fifty-three".